Model: 77731-1

Packing Retainer

Properties:

Cross Sectional Shape

Special

Attachment Method

Round hole

Attachment Feature Quantity

Attachment Hole Diameter

0.250 inches

Attachment Feature Circle Diameter

5.379 inches single circle and 5.381 inches single circle

Cross-sectional Height

1.156 inches

Flanged Body Outside Diameter

4.500 inches

Inner Groove Depth

0.225 inches

Inner Groove Width

0.225 inches

Center Hole Diameter

Between 3.675 inches and 3.685 inches

Peripheral Diameter

6.125 inches

Angle

90.0 degrees

Material

Aluminum alloy 2024

Material Specification

Qq-a-250/4 federal specification single material response

NSN

5330-01-273-4590

Part Number

77731-1

Description

Retainer,packing

CAGE

82340

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

Part 77731-1 NSN 5330-01-273-4590

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13706

FIIG:

A032A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

596

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 3926904500
SITC: 89399
End Use: Other industrial supplies
NAICS: 339991
USDA: 1

Freight Class: Gaskets,washers & other seals